/** Called by the audio engine when there is work to be done with JACK.
* @param nframes Number of frames to process.
*/
+
void
-Session::process (nframes_t nframes)
+Session::process (pframes_t nframes)
{
MIDI::Manager::instance()->cycle_start(nframes);
}
}
- _engine.main_thread()->get_buffers ();
+ _engine.main_thread()->get_buffers ();
(this->*process_function) (nframes);
- _engine.main_thread()->drop_buffers ();
+ _engine.main_thread()->drop_buffers ();
// the ticker is for sending time information like MidiClock
- nframes_t transport_frames = transport_frame();
- BBT_Time transport_bbt;
+ framepos_t transport_frames = transport_frame();
+ Timecode::BBT_Time transport_bbt;
bbt_time(transport_frames, transport_bbt);
Timecode::Time transport_timecode;
timecode_time(transport_frames, transport_timecode);
}
int
-Session::fail_roll (nframes_t nframes)
+Session::fail_roll (pframes_t nframes)
{
return no_roll (nframes);
}
int
-Session::no_roll (nframes_t nframes)
+Session::no_roll (pframes_t nframes)
{
- nframes_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ??
+ framepos_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ??
int ret = 0;
bool declick = get_transport_declick_required();
boost::shared_ptr<RouteList> r = routes.reader ();
_click_io->silence (nframes);
}
- route_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), actively_recording(), declick);
- /*
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
-
- if ((*i)->is_hidden()) {
- continue;
- }
-
- (*i)->set_pending_declick (declick);
-
- if ((*i)->no_roll (nframes, _transport_frame, end_frame, non_realtime_work_pending(),
- actively_recording(), declick)) {
- error << string_compose(_("Session: error in no roll for %1"), (*i)->name()) << endmsg;
- ret = -1;
- break;
- }
- }
- */
+ if (route_graph->threads_in_use() > 0) {
+ DEBUG_TRACE(DEBUG::Graph,"calling graph/no-roll\n");
+ route_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), actively_recording(), declick);
+ } else {
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+
+ if ((*i)->is_hidden()) {
+ continue;
+ }
+
+ (*i)->set_pending_declick (declick);
+
+ if ((*i)->no_roll (nframes, _transport_frame, end_frame, non_realtime_work_pending(),
+ actively_recording(), declick)) {
+ error << string_compose(_("Session: error in no roll for %1"), (*i)->name()) << endmsg;
+ ret = -1;
+ break;
+ }
+ }
+ }
return ret;
}
int
-Session::process_routes (nframes_t nframes, bool& need_butler)
+Session::process_routes (pframes_t nframes, bool& need_butler)
{
- bool record_active;
- int declick = get_transport_declick_required();
- bool rec_monitors = get_rec_monitors_input();
- boost::shared_ptr<RouteList> r = routes.reader ();
-
- if (transport_sub_state & StopPendingCapture) {
- /* force a declick out */
- declick = -1;
- }
-
- record_active = actively_recording(); // || (get_record_enabled() && get_punch_in());
-
- const nframes_t start_frame = _transport_frame;
- const nframes_t end_frame = _transport_frame + (nframes_t)floor(nframes * _transport_speed);
-
- route_graph->process_routes( nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler);
-/*
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
-
- int ret;
-
- if ((*i)->is_hidden()) {
- continue;
- }
-
- (*i)->set_pending_declick (declick);
+ bool record_active;
+ int declick = get_transport_declick_required();
+ bool rec_monitors = get_rec_monitors_input();
+ boost::shared_ptr<RouteList> r = routes.reader ();
+
+ if (transport_sub_state & StopPendingCapture) {
+ /* force a declick out */
+ declick = -1;
+ }
+
+ record_active = actively_recording(); // || (get_record_enabled() && get_punch_in());
+
+ const framepos_t start_frame = _transport_frame;
+ const framepos_t end_frame = _transport_frame + floor (nframes * _transport_speed);
+
+ if (route_graph->threads_in_use() > 0) {
+ DEBUG_TRACE(DEBUG::Graph,"calling graph/process-routes\n");
+ route_graph->process_routes( nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler);
+ } else {
+
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+
+ int ret;
+
+ if ((*i)->is_hidden()) {
+ continue;
+ }
+
+ (*i)->set_pending_declick (declick);
+
+ if ((ret = (*i)->roll (nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler)) < 0) {
+ stop_transport ();
+ return -1;
+ }
+ }
+ }
- if ((ret = (*i)->roll (nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler)) < 0) {
- stop_transport ();
- return -1;
- }
- }
-*/
return 0;
}
int
-Session::silent_process_routes (nframes_t nframes, bool& need_butler)
+Session::silent_process_routes (pframes_t nframes, bool& need_butler)
{
bool record_active = actively_recording();
int declick = get_transport_declick_required();
declick = -1;
}
- const nframes_t start_frame = _transport_frame;
- const nframes_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
-
- route_graph->silent_process_routes( nframes, start_frame, end_frame, record_active, rec_monitors, need_butler);
-/*
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
-
- int ret;
-
- if ((*i)->is_hidden()) {
- continue;
- }
+ const framepos_t start_frame = _transport_frame;
+ const framepos_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
+
+ if (route_graph->threads_in_use() > 0) {
+ route_graph->silent_process_routes( nframes, start_frame, end_frame, record_active, rec_monitors, need_butler);
+ } else {
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+
+ int ret;
+
+ if ((*i)->is_hidden()) {
+ continue;
+ }
+
+ if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, record_active, rec_monitors, need_butler)) < 0) {
+ stop_transport ();
+ return -1;
+ }
+ }
+ }
- if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, record_active, rec_monitors, need_butler)) < 0) {
- stop_transport ();
- return -1;
- }
- }
-*/
return 0;
}
/** Process callback used when the auditioner is not active */
void
-Session::process_with_events (nframes_t nframes)
+Session::process_with_events (pframes_t nframes)
{
SessionEvent* ev;
- nframes_t this_nframes;
+ pframes_t this_nframes;
framepos_t end_frame;
bool session_needs_butler = false;
framepos_t stop_limit;
process_event (ev);
}
- /* Events caused a transport change, send an MTC Full Frame (Timecode) message.
- * This is sent whether rolling or not, to give slaves an idea of ardour time
- * on locates (and allow slow slaves to position and prepare for rolling)
+ /* Decide on what to do with quarter-frame MTC during this cycle */
+
+ bool const was_sending_qf_mtc = _send_qf_mtc;
+ double const tolerance = Config->get_mtc_qf_speed_tolerance() / 100.0;
+
+ if (_transport_speed != 0) {
+ _send_qf_mtc = (
+ Config->get_send_mtc () &&
+ _transport_speed >= (1 - tolerance) &&
+ _transport_speed <= (1 + tolerance)
+ );
+
+ if (_send_qf_mtc && !was_sending_qf_mtc) {
+ /* we will re-start quarter-frame MTC this cycle, so send a full update to set things up */
+ _send_timecode_update = true;
+ }
+
+ if (Config->get_send_mtc() && !_send_qf_mtc && _pframes_since_last_mtc > (frame_rate () / 4)) {
+ /* we're sending MTC, but we're not sending QF MTC at the moment, and it's been
+ a quarter of a second since we sent anything at all, so send a full MTC update
+ this cycle.
+ */
+ _send_timecode_update = true;
+ }
+
+ _pframes_since_last_mtc += nframes;
+ }
+
+ /* Events caused a transport change (or we re-started sending
+ * MTC), so send an MTC Full Frame (Timecode) message. This
+ * is sent whether rolling or not, to give slaves an idea of
+ * ardour time on locates (and allow slow slaves to position
+ * and prepare for rolling)
*/
if (_send_timecode_update) {
send_full_time_code (_transport_frame);
frames_moved = (framecnt_t) interpolation.interpolate (0, nframes, 0, 0);
}
- end_frame = _transport_frame + (nframes_t)frames_moved;
+ end_frame = _transport_frame + frames_moved;
{
SessionEvent* this_event;
}
if (!_exporting && !timecode_transmission_suspended()) {
- send_midi_time_code_for_cycle (nframes);
+ send_midi_time_code_for_cycle (_transport_frame, end_frame, nframes);
}
if (actively_recording()) {
if (this_event && this_event->action_frame <= end_frame && this_event->action_frame >= _transport_frame) {
/* this isn't quite right for reverse play */
frames_moved = (framecnt_t) (this_event->action_frame - _transport_frame);
- this_nframes = (nframes_t) abs( floor(frames_moved / _transport_speed) );
+ this_nframes = abs (floor(frames_moved / _transport_speed));
}
if (this_nframes) {
fail_roll (nframes);
return;
}
-
+
get_track_statistics ();
nframes -= this_nframes;
}
/* this is necessary to handle the case of seamless looping */
- end_frame = _transport_frame + (nframes_t) floor (nframes * _transport_speed);
-
+ end_frame = _transport_frame + floor (nframes * _transport_speed);
}
set_next_event ();
}
bool
-Session::follow_slave (nframes_t nframes)
+Session::follow_slave (pframes_t nframes)
{
double slave_speed;
framepos_t slave_transport_frame;
- nframes_t this_delta;
+ framecnt_t this_delta;
int dir;
if (!_slave->ok()) {
}
#if 1
- if ((nframes_t) abs(average_slave_delta) > _slave->resolution()) {
+ if ((framecnt_t) abs(average_slave_delta) > _slave->resolution()) {
cerr << "average slave delta greater than slave resolution (" << _slave->resolution() << "), going to silent motion\n";
goto silent_motion;
}
}
void
-Session::calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta)
+Session::calculate_moving_average_of_slave_delta (int dir, framecnt_t this_delta)
{
if (delta_accumulator_cnt >= delta_accumulator_size) {
have_first_delta_accumulator = true;
}
if (delta_accumulator_cnt != 0 || this_delta < _current_frame_rate) {
- delta_accumulator[delta_accumulator_cnt++] = (nframes_t) dir * (nframes_t) this_delta;
+ delta_accumulator[delta_accumulator_cnt++] = (framecnt_t) dir * (framecnt_t) this_delta;
}
if (have_first_delta_accumulator) {
}
void
-Session::track_slave_state (float slave_speed, nframes_t slave_transport_frame, nframes_t this_delta)
+Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta)
{
if (slave_speed != 0.0f) {
bool ok = true;
- nframes_t frame_delta = slave_transport_frame - _transport_frame;
+ framecnt_t frame_delta = slave_transport_frame - _transport_frame;
boost::shared_ptr<RouteList> rl = routes.reader();
for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
if (_transport_speed != 0.0f) {
DEBUG_TRACE (DEBUG::Slave, string_compose ("slave stops transport: %1 frame %2 tf %3\n", slave_speed, slave_transport_frame, _transport_frame));
- stop_transport();
+ stop_transport ();
}
if (slave_transport_frame != _transport_frame) {
}
void
-Session::follow_slave_silently (nframes_t nframes, float slave_speed)
+Session::follow_slave_silently (pframes_t nframes, float slave_speed)
{
if (slave_speed && _transport_speed) {
}
void
-Session::process_without_events (nframes_t nframes)
+Session::process_without_events (pframes_t nframes)
{
bool session_needs_butler = false;
framepos_t stop_limit;
return;
}
+ if (_transport_speed == 1.0) {
+ frames_moved = (framecnt_t) nframes;
+ } else {
+ interpolation.set_target_speed (fabs(_target_transport_speed));
+ interpolation.set_speed (fabs(_transport_speed));
+ frames_moved = (framecnt_t) interpolation.interpolate (0, nframes, 0, 0);
+ }
+
if (!_exporting && !timecode_transmission_suspended()) {
- send_midi_time_code_for_cycle (nframes);
+ send_midi_time_code_for_cycle (_transport_frame, _transport_frame + frames_moved, nframes);
}
if (actively_recording()) {
click (_transport_frame, nframes);
- if (_transport_speed == 1.0) {
- frames_moved = (framecnt_t) nframes;
- } else {
- interpolation.set_target_speed (fabs(_target_transport_speed));
- interpolation.set_speed (fabs(_transport_speed));
- frames_moved = (framecnt_t) interpolation.interpolate (0, nframes, 0, 0);
- }
-
if (process_routes (nframes, session_needs_butler)) {
fail_roll (nframes);
return;
get_track_statistics ();
+ /* XXX: I'm not sure whether this is correct, but at least it
+ matches process_with_events, so that this new frames_moved
+ is -ve when transport speed is -ve. This means that the
+ transport position is updated correctly when we are in
+ reverse. It seems a bit wrong that we're not using the
+ interpolator to compute this.
+ */
+
+ frames_moved = (framecnt_t) floor (_transport_speed * nframes);
+
if (frames_moved < 0) {
decrement_transport_position (-frames_moved);
} else {
* @param nframes number of frames to process.
*/
void
-Session::process_audition (nframes_t nframes)
+Session::process_audition (pframes_t nframes)
{
SessionEvent* ev;
boost::shared_ptr<RouteList> r = routes.reader ();
}
bool
-Session::maybe_sync_start (nframes_t& nframes)
+Session::maybe_sync_start (pframes_t & nframes)
{
- nframes_t sync_offset;
+ pframes_t sync_offset;
if (!waiting_for_sync_offset) {
return false;
no_roll (sync_offset);
nframes -= sync_offset;
- AudioPort::increment_port_offset (sync_offset);
+ Port::increment_global_port_buffer_offset (sync_offset);
waiting_for_sync_offset = false;
if (nframes == 0) {
projects / ardour.git / blobdiff